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Official data from INPI

APERFEICOAMENTOS EM PROCESSO E APARELHO PARA FAZER UM ARTIGO QUE COMPREENDE UM MEMBRO ANULAR SUBSTANCIALMENTE RIGIDO E UM MEMBRO ANULAR DEFORMAVEL

Em AnáliseInvention Patent

Application data

Number

PI7702228

Type

Invention Patent

Filing

04/06/1976

Publication

-

Progress at the INPI

  1. Filing04/06/76
  2. Publication
  3. Examination
  4. Allowance02/09/82
  5. Grant
  6. Terminated01/21/92

The patent was granted and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/08/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HEPWORTH IRON CO LTD

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

06/08/1982

RPI 607

Deferimento

#9.1

02/09/1982

RPI 590

Anuidade - prazo legal encerrado

#18.2

01/21/1992

RPI 1103

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